Table of Contents
Advertisement
D7
This operational instruction manual
shall be handed to the user.
EBARA
Submersible Sewage Pumps
Model DL
Model DL
Instruction Manual
Welcome to the EBARA submersible sewage pump. EBARA fabricated the pump with special care for
assuring safe handling. Since, however, mal-operation of the pump may induce accident, correct use of
the pump referring to the instruction manual is requested.
The Instruction Manual shall be stored at a place allowing ready reference.
The Instruction Manual shall be handed to the user who conducts operation, maintenance, and
inspection of the pump.
Contents
Warning indication ....................................... 2
１
Precautions of safety ................................... 3
２
Introduction .................................................. 5
３
2. Confirmation of nameplate .................... 5
Product specification ................................... 6
４
Installation ................................................. 8
５
1. Confirmation before installation ............. 8
2. Installation ............................................. 8
3. Electric wiring ...................................... 10
Operation ................................................... 12
６
1. Before starting ..................................... 12
2. Test operation ..................................... 12
3. Test operation ..................................... 13
4. Operation ............................................. 13
with cutter
Request
To the personnel of installation works
(page)
- 1 -
Maintenance .............................................. 13
７
1. Daily inspection ................................... 14
2. Regular inspection ............................... 14
3. Precautions during stop-operation ...... 15
4. Consumables....................................... 15
...................................................................
Troubleshooting ........................................ 17
８
.........................................................
９
...........................................
Disassembling and Assembling ................ 19
10
Limited Warranty ....................................... 19
11
Repair and after-sale service .................... 20
12
CF3208U-H002 REV.0
(page)
15
18
18
EBARA
CORPORATION
.
Advertisement
Table of Contents
Related Manuals for EBARA DL
Summary of Contents for EBARA DL
-
Page 1: Table Of Contents
Instruction Manual Request Welcome to the EBARA submersible sewage pump. EBARA fabricated the pump with special care for assuring safe handling. Since, however, mal-operation of the pump may induce accident, correct use of the pump referring to the instruction manual is requested. -
Page 2: Warning Indication
Warning indication The precautions given here are to assure safe and correct operation of the pump and to prevent injury of you and other people, and damage of facilities. The precautions are classified to "Warning" and "Caution" for the details of danger and damage expected to arise in case of mal-handling of the pump in terms of the magnitude and the urgency of injury and damage. -
Page 3: Precautions Of Safety
If the insulation resistance decreases to 1MΩ or less, immediately cut OFF the power switch, and request the inspection and repair of the pump to the supplier or EBARA CORP. There is a possibility of motor burn out, electric shock, and fire. - Page 4 If the pump failed to operate or if there occurred abnormality, immediately cut OFF the power switch to prevent accident, and give request to the supplier or EBARA CORP. for inspection and repair. Wrong operation and work may induce accident.
-
Page 5: Introduction
Rated current (Unit：A) Rated output (Unit: kW) Rated voltage (Unit: V) Maximum ambient temperature (Unit: °C) Number of motor poles Maximum operating depth Model of motor Class of insulation Company name Fig. 1 Indication on nameplate EBARA CORPORATION - 5 -... -
Page 6: Product Specification
Product specification For the performance of your pump, refer to the nameplate in terms of total head (HEAD), discharge rate (CAP.), rated voltage (V), rated current (A), etc. Other specifications are listed in the following table. The user of a standard model shall refer to the columns of standard specification. Other than the standard model, a modified specification is available as a special specification on request of the user. - Page 7 ±1％. Allowable simultaneous fluctuation of voltage and frequency is 10% as the sum of the absolute values of them. For both cases, however, the characteristics and the temperature rise of motor are independent of the rated values. EBARA CORPORATION - 7 -...
-
Page 8: Installation
Apply a sewage check valve to every pump. Since non-Automatic type pump (Model DL) has no Automatic operation device which is actuated by a float in the pump, care shall be given to the pump operating water level. If that type of pump is operated continuously for 10 minutes or longer period at near the operable minimum water level, the Auto-cut in the motor is actuated. - Page 9 Mounting a full-water alarm in the tank is recommended. The alarm panel and the float switch for water-level control are available from EBARA CORP. 10) When an electrode is used in the Automatic operation unit, care shall be paid not to entangle dirt around the electrode rod or not to adhere oil to the rod.
-
Page 10: Electric Wiring
3.Electric wiring Execute correct wiring work by a qualified technician conforming to the applicable legal standards. Wrong wiring by non-qualified worker is illegal and may induce electric shock and fire. Do apply grounding wiring. The Green and Yellow stripe cord or the Green cord is the grounding line. - Page 11 Auto-cut that Contact type Break Contact covered from overload, short cooling (Normal: on, At temp. rise: OFF) and etc. Contact Cable 2 cores PVC, Cab-tyre Cable 1mm Brown, Light Blue (non-polarity) EBARA CORPORATION - 11 -...
-
Page 12: Operation
11~22kW Frequencies of starting Ten times per hour Six times per hour 2. Test operation … Non-automatic type pump (Model DL) Switch box Switch box … Automatic type pump (Model DLA) 1) Turn the switches 1 - 2 on and off a couple of times... -
Page 13: Test Operation
There is a possibility of electric shock, ignition, or injury caused by abnormal functioning, break, etc. Do not attach parts other than EBARA's standard parts, and do not modify EBARA's standard products. Use of other than the standard parts may result in electric shock, ignition, or injury caused by abnormal functioning or break, or may fail to perform normal functioning. -
Page 14: Daily Inspection
If there occurred abnormality such as failing in starting, immediately cut OFF the power switch to prevent accident, and request the inspection and repair to the supplier or EBARA CORP. Mal-operation or wrong work may induce accident. Consumable parts shall be regularly replaced. If the deteriorated or worn parts... -
Page 15: Precautions During Stop-Operation
Φ3×Φ170 Φ3×Φ180 Φ150 For detail of Model, etc. of individual parts, inquiry shall be given to the supplier or EBARA CORP. 5. Action when protective device is activated 1）When thermal protector is activated: Investigate the cause of the activation, take measures to eliminate the cause, then restart operation. - Page 16 2）When leakage detector is activated Lift the pump out and set upright. Remove the plug of the leakage detector’s chamber and drain the oil and water to a container. Then clean the inside the leakage detector’s chamber and motor chamber, and replace the mechanical seal as well as gaskets and O-rings.
-
Page 17: Troubleshooting
- Obtain regular rotation (Refer to ６ -2. (2)). excessive or - Foreign matter trapped in pump. - Disassemble pump and eliminate foreign matter. noise. - Piping resonating. - Make improvements in piping to stop resonance. EBARA CORPORATION - 17 -... -
Page 18: Structure
4 or 8 *902 CONTROL UNIT 120-4 BOLT *909-1 FLOAT SWITCH 120-5 BOLT *909-2 FLOAT SWITCH BOLT *910 FLOAT SUPPORT WASHER ・Accessories Ground nameplate············· 1 sheet Drawings indicating the materials of individual parts are available from EBARA Note CORP. - 18 -... -
Page 19: Disassembling And Assembling
(2) During the said period, EBARA will repair the pump free of charge provided that: the trouble is due to shortcomings in design, workmanship, etc., that can be attributed to EBARA, and that the pump was being operated correctly and in a normal manner in accordance with the Instruction Manual when the trouble occurred. -
Page 20: Repair And After-Sale Service
12 Repair and After-sale service If some failures are found ,please contact EBARA Corporation or an authorized Agent/Distributor, stating the data on the identification nameplate and detail of the trouble.(Refer to section ８ ”Troubleshooting” ) Packing materials after installation, and wasted lubricant oil and grease, and parts after...